MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


ValleyRAT


Vendor detections: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7
SHA3-384 hash: 8ee0058e7e1ccd0675216ebe01e856533ca979184ae566c63f53e70a48effd58396ff1a62bce505ee511e8ffe3d0db9d
SHA1 hash: 1a2e96cd5ba05a9c793deeacb963c365340ea1a2
MD5 hash: f2857d1af81bcc846e818d51f16e8f41
humanhash: beryllium-papa-kansas-golf
File name:f2857d1af81bcc846e818d51f16e8f41.exe
Download: download sample
Signature ValleyRAT
Create hunting rule
File size:3'606'016 bytes
First seen:2025-02-01 12:40:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1359e227af45576ad584c7846da04e25 (1 x ValleyRAT)
ssdeep 98304:J8cRGnOIsiq0Lv5WmILdwiL8N+VuIpvKCnt3sVisGxVtL9SePgXHGVShhhhhchhc:6cAzsiq4hWpLSwu8y43swsGxVjPgXHGW
TLSH T11BF512463235D2E7CA9C7936C55A01FD8E318C31C36AB757A2A4FD1A7235DE42E0826F
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon c4d8f8e0f868f05d (2 x ValleyRAT)
Reporter abuse_ch
Tags:exe ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
149.115.250.62:8088

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
149.115.250.62:8088 https://threatfox.abuse.ch/ioc/1399017/

Intelligence

File Origin
# of uploads :
1
# of downloads :
502
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f2857d1af81bcc846e818d51f16e8f41.exe
Verdict:
Malicious activity
Analysis date:
2025-02-01 12:41:21 UTC
Tags:
vmprotect silverfox backdoor
Link:
https://app.any.run/tasks/e58cbfad-797d-429e-9364-ded2ee7e37e2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware.KillAV.KKL67O@gen.9599.21080.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679e1660416a81ccc3c4dfb7
Tags:
infosteal vmprotect
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug mingw obfuscated packed packed packed packer_detected vmprotect
Link:
https://www.filescan.io/uploads/679e16615dee18920074fc23/reports/c8bc6d54-ae30-4c45-86eb-7dc8852ea764/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d9ade6b0-8f2b-474a-9b11-0bf2469a26e5
Result
Threat name:
GhostRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1604415
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to inject code into remote processes
Contains functionality to inject threads in other processes
Detected unpacking (creates a PE file in dynamic memory)
Detected VMProtect packer
Found API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Found suspicious ZIP file
Joe Sandbox ML detected suspicious sample
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Queries temperature or sensor information (via WMI often done to detect virtual machines)
Suricata IDS alerts for network traffic
Yara detected GhostRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1604415 Sample: oz9u69nPSk.exe Startdate: 01/02/2025 Architecture: WINDOWS Score: 100 38 longlqcl.top 2->38 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 6 other signatures 2->50 9 oz9u69nPSk.exe 5 17 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Roaming\hGlnFZ.exe, PE32 9->30 dropped 32 C:\Users\user\AppData\Local\...\DLLEC6E.tmp, PE32 9->32 dropped 34 C:\ProgramData\hGlnFZ\hGlnFZ.exe, PE32 9->34 dropped 36 5 other files (none is malicious) 9->36 dropped 60 Detected unpacking (creates a PE file in dynamic memory) 9->60 62 Queries temperature or sensor information (via WMI often done to detect virtual machines) 9->62 13 cmd.exe 1 9->13         started        15 write.exe 1 9->15         started        17 conhost.exe 9->17         started        signatures6 process7 process8 19 hGlnFZ.exe 3 1 13->19         started        24 wordpad.exe 15->24         started        dnsIp9 40 149.115.250.62, 51801, 51802, 8088 COGENT-174US United States 19->40 42 127.0.0.1 unknown unknown 19->42 28 C:\Users\user\AppData\Local\hGlnFZ.exe, PE32 19->28 dropped 52 Found evasive API chain (may stop execution after checking mutex) 19->52 54 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 19->54 56 Found API chain indicative of debugger detection 19->56 58 4 other signatures 19->58 26 splwow64.exe 24->26         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=epwiqaqrhadx4opjkpxkrfffl6yqosmoofteqqo7fvndiitulddq._file
Verdict:
malicious
Label(s):
winos
Create hunting rule
Similar samples:
error
ValleyRAT
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery vmprotect
Link:
https://tria.ge/reports/250201-pwrh1sslgw/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Enumerates connected drives
Executes dropped EXE
Loads dropped DLL
VMProtect packed file
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/121c5d9d-bf27-4ad4-b36c-56fc2c247acd
Unpacked files
SH256 hash:
23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7
MD5 hash:
f2857d1af81bcc846e818d51f16e8f41
SHA1 hash:
1a2e96cd5ba05a9c793deeacb963c365340ea1a2
Link:
https://www.unpac.me/results/62e9812f-47fa-4d18-ba67-65163862d7c1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23ec88021138/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/23ec88021138077e39e953eea894a55fb107498e71664841df2d5a34227458c7

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:INDICATOR_EXE_Packed_VMProtect
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with VMProtect.
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA

Comments